PHP Tips

Enhance your PHP skills with daily tips

01
Use array_rand() to randomly pick one or more keys from an array
02
Use array_sum() to calculate the sum of values in an array
03
Use array_product() to calculate the product of values in an array
04
Use array_column() to extract a single column from a multi-dimensional array
05
Use array_merge_recursive() to merge arrays recursively
06
Use array_key_first() to get the first key of an array
07
Use array_key_last() to get the last key of an array
08
Use array_walk() to apply a user-defined function to each element of an array
09
Use array_reduce() to reduce an array to a single value using a callback function
10
Use array_map() with null as the callback to remove elements from an array